.box {
    format-a-d      : %("repetitions: %a file: %d", 1 + 2, "directory/file.less");
    format-a-d-upper: %('repetitions: %A file: %D', 1 + 2, "directory/file.less");
    format-s        : %("repetitions: %s file: %s", 1 + 2, "directory/file.less");
    format-s-upper  : %('repetitions: %S file: %S', 1 + 2, "directory/file.less");
}